128519965

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 182062080

約数和(自身を除く): 53542115

約数列:

[1, 5, 7, 35, 53, 79, 265, 371, 395, 553, 877, 1855, 2765, 4187, 4385, 6139, 20935, 29309, 30695, 46481, 69283, 146545, 232405, 325367, 346415, 484981, 1626835, 2424905, 3671999, 18359995, 25703993, 128519965]

約数ペア:

[(1, 128519965), (5, 25703993), (7, 18359995), (35, 3671999), (53, 2424905), (79, 1626835), (265, 484981), (371, 346415), (395, 325367), (553, 232405), (877, 146545), (1855, 69283), (2765, 46481), (4187, 30695), (4385, 29309), (6139, 20935)]